Comandos básicos R

Asignación de variables

x<-3
y<-2

Impresión de resultados

x

## [1] 3

y

## [1] 2

Operaciones aritméticas

suma <- x+y
suma

## [1] 5

resta <- x-y
resta

## [1] 1

multiplicacion <- x*y
multiplicacion

## [1] 6

division <- x/y
division

## [1] 1.5

division_entera <- x%/%y
division_entera

## [1] 1

potencia <- x^2
potencia

## [1] 9

## Funciones matemáticas

raiz_cuadrada<- sqrt(x)
raiz_cuadrada

## [1] 1.732051

raiz_cubica <- x^(1/3)
raiz_cubica

## [1] 1.44225

exponencial <- exp(1)
exponencial

## [1] 2.718282

z<--4
z

## [1] -4

absoluto <- abs(z)
absoluto

## [1] 4

signo <- sign(z)
signo

## [1] -1

signo2<- sign(x)
signo2

## [1] 1

redondeo_arriba<- ceiling(x/y)
redondeo_arriba

## [1] 2

redondeo_abajo<- floor(x/y)
redondeo_abajo

## [1] 1

truncar <- trunc(division)
truncar

## [1] 1

Constantes

pi

## [1] 3.141593

radio<- 5
area_circulo<- pi*radio^2
area_circulo

## [1] 78.53982

Vectores

a <- c(1,2,3,4,5)
a

## [1] 1 2 3 4 5

longitud<- length(a)
longitud

## [1] 5

promedio<- mean(a)
promedio

## [1] 3

resumen<- summary(a)
resumen

##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##       1       2       3       3       4       5

orden_ascendente<- sort(a)
orden_ascendente

## [1] 1 2 3 4 5

?sort

orden_descendente <- sort(a,decreasing=TRUE)
orden_descendente

## [1] 5 4 3 2 1

b<- c(1,2,3,4,5)
b

## [1] 1 2 3 4 5

suma_vectores<- a+b
suma_vectores

## [1]  2  4  6  8 10

plot(a,b,type="b",main="Ventas totales por semana",xlab = "Semana",ylab = "MXN")

?plot

## Help on topic 'plot' was found in the following packages:
## 
##   Package               Library
##   graphics              /Library/Frameworks/R.framework/Versions/4.2/Resources/library
##   base                  /Library/Frameworks/R.framework/Resources/library
## 
## 
## Using the first match ...